| Cover | Jul. 24, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Amendment Description | This report hereby amends and restates Item 5.02 of the Current Report on Form 8-K filed on July 24, 2023 to clarify the correct date of effectiveness of the appointment of Mr. Andy Nasim, which was July 24, 2023, the date Mr. Nasim accepted his Board position. |
| Document Period End Date | Jul. 24, 2023 |
| Entity File Number | 001-41479 |
| Entity Registrant Name | REBORN COFFEE, INC. |
| Entity Central Index Key | 0001707910 |
| Entity Tax Identification Number | 47-4752305 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 580 N. Berry Street |
| Entity Address, City or Town | Brea |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92821 |
| City Area Code | 714 |
| Local Phone Number | 784-6369 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.0001 par value per share |
| Trading Symbol | REBN |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
